Perform adjustments to the control system - AR54.30-P-1000-02RAR

Activate tire pressure monitor. 

Before activating tire pressure monitor: correct tire pressures of all wheels.

1. Switch on ignition.
2. Press Scroll forward/back button (S110s1) repeatedly until the tire pressure display appears in the right multifunction display (A1p15).
3. Press instrument illumination rheostat and reset button (A1r1).

   The message "Akt" appears in the left multifunction display (A1p13). tire pressure monitor."

   Fig 1: Identifying Control System Switch And Buttons

   Courtesy of MERCEDES-BENZ USA
4. Press button + and -, setting specific functions and volume control (S111s1).

   In the left multifunction display (A1p13) the message "tire pressure monitor active, pressure display as per several minutes driving time" now appears.

5. Switch off ignition.